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Kirkbya
Taxonomy
Kirkbya was named by Jones (1859) [Sepkoski's age data: D Fame-u P Djhu Sepkoski's reference number: 2,648]. Its type is Dithyrocaris permiana. It is the type genus of Kirkbyidae, Kirkbyacea.
It was assigned to Kirkbyinae by Sohn (1954); to Palaeocopida by Sepkoski (2002); and to Kirkbyidae by Harlton (1933), Benson et al. (1961), Crasquin (2008) and Forel (2017).
It was assigned to Kirkbyinae by Sohn (1954); to Palaeocopida by Sepkoski (2002); and to Kirkbyidae by Harlton (1933), Benson et al. (1961), Crasquin (2008) and Forel (2017).
Species
K. atolla, K. bellula, K. bendensis, K. buekkensis, K. canyonformis, K. centrotumida, K. clarocarinata, K. firma, K. fossilcliffi, K. knuepferi, K. lindahli, K. magniforma, K. mingenewensis, K. moorei, K. multicresta, K. pergrandis, K. permiana (syn. Dithyrocaris glypta), K. punctata, K. rara, K. reflexa, K. sinensis, K. subnipponica, K. subquadriforma, K. unnoda, K. valida
Species lacking formal opinion data
Synonymy list
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
G. †Kirkbya Jones 1859
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†Kirkbya atolla Ishizaki 1964
†Kirkbya bellula Chen 1958
†Kirkbya bendensis Harlton 1933
†Kirkbya buekkensis Kozur 1985
†Kirkbya canyonformis Hou 1954
†Kirkbya centrotumida Ishizaki 1964
†Kirkbya clarocarinata Knight 1928
†Kirkbya firma Kellett 1933
†Kirkbya fossilcliffi Ferdinando 2001
†Kirkbya knuepferi Kozur 1985
†Kirkbya lindahli Ulrich 1891
†Kirkbya magniforma Ishizaki 1964
†Kirkbya mingenewensis Ferdinando 2001
†Kirkbya moorei Kellett 1933
†Kirkbya multicresta Ishizaki 1964
†Kirkbya pergrandis Kellett 1933
†Kirkbya punctata Kellett 1933
†Kirkbya rara Khivintseva 1969
†Kirkbya reflexa Girty 1910
†Kirkbya sinensis Hou 1954
†Kirkbya subnipponica Ishizaki 1964
†Kirkbya subquadriforma Ishizaki 1964
†Kirkbya unnoda Wang 1978
†Kirkbya valida Kellett 1933
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| carapace height | 3 | 0.596 | 0.480 | 0.760 | 0.580 | 0.142 | |
| shell height | 4 | 0.515 | 0.310 | 0.750 | 0.550 | 0.180 | |
| valve height | 44 | 0.581 | 0.158 | 1.40 | 0.570 | 0.290 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Alvarez et al. 2008 | |||||
Age range: base of the Late/Upper Famennian to the top of the Julian or 364.70000 to 232.00000 Ma
Collections (140 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Famennian | Germany (Nordrhein-Westfalen) | K. sp. (38294 38295 38296 38298 38299 38300 38302 38304) | |
| Late/Upper Famennian | Germany (Nordrhein-Westfalen) | K. sp. (38306) | |
| Late/Upper Famennian | Belgium (Liege) | K. sp. (75672) | |
| Kinderhookian | USA (Indiana) | K. keiferi, K. fernglenensis (6734) | |
| Tournaisian | China (Guizhou) | K. sp. (58462) | |
| Chadian | USA (Tennessee) | K. fernglepensis (6914) | |
| Chadian - Arundian | USA (Tennessee) | K. fernglepensis (6916 6917) | |
| Meramecian | Canada (Alberta) | K. sp. (62396) | |
| Meramecian | USA (Arkansas) | K. sp., K. reflexa (76118 76148) | |
| Meramecian | USA (California) | K. sp. (226242) | |
| Meramecian | USA (Kentucky) | K. sp. (2711) | |
| Brigantian | United Kingdom (Scotland) | K. permiana (6455) | |
| Chesterian | USA (Arkansas) | K. sp. (76146) | |
| Serpukhovian | USA (Oklahoma) | K. symmetrica, K. bendensis (5611) | |
| Early/Lower Pennsylvanian | USA (Oklahoma) | K. bendensis (132924) | |
| Pennsylvanian | USA (Texas) | K. clarocarinata (210784) | |
| Westphalian | Spain | K. waltheri (73298) | |
| Desmoinesian | USA (Missouri) | K. laciniata (148422) K. voluta, K. laciniata, K. scaphula, K. clarocarinata (215053) | |
| Kasimovian | USA (Kansas) | K. clarocarinata (133145) K. firma, K. pergrandis, K. clarocarinata (132992) K. punctata (133146) | |
| Gzhelian | USA (Kansas) | K. pergrandis (132987) K. punctata (132994 133142) K. valida (95377) | |
| Asselian | USA (Oklahoma) | K. moorei (110322) | |
| Asselian | Thailand | K. sp. 3 (137891) | |
| Asselian - Sakmarian | Thailand | K. sp. 1, K. sp. 2 (137897) | |
| Sakmarian | Australia (Western Australia) | K. fossilcliffi (108211 108214 108222 108226 108228 108240 108242 108276 108280 108283 108285 108287 108288 108290 108293 108294 108296 108300) K. fossilcliffi, K. mingenewensis (108236 108289) K. mingenewensis (108282 108299) K. sp. A (108209 108217 108220) K. sp. A, K. fossilcliffi (108229 108238 108244 108292 108297 108298) K. sp. A, K. fossilcliffi, K. mingenewensis (108223 108241 108246) | |
| Sakmarian | USA (Kansas) | K. moorei (88235) | |
| Artinskian | Canada (British Columbia) | K. buekkensis (106673) K. firma (106670) K. sp. 1 (106671) | |
| Kungurian | China (Hubei) | K. canyonformis (145991) K. sinensis, K. canyonformis (145990) | |
| Kungurian | USA (Texas) | K. sp. (43517) | |
| Kungurian | China (Fujian) | K. clarocarinata (95706 95707) | |
| Kungurian | China (Jiangsu) | K. bellula (142175 142184 142185 142186 142187 142188 142189) K. sp. 1 (142174) K. sp. 1, K. bellula (142173) K. sp. A (143414) | |
| Roadian | Russian Federation (Orenburg) | K. rara (123689 123690) | |
| Roadian | Russian Federation | K. ingeniosa (197598) | |
| Wordian | Oman | Knightina unnoda (49917) | |
| Capitanian | Japan | K. atolla, K. centrotumida, K. magniforma, K. multicresta, K. subnipponica, K. subquadriforma (109844) | |
| Capitanian | China (Sichuan) | K. sp.1 (189441) K. sp.2 (189444 189464) K. sp.3 (189461) K. sp.4 (189468) | |
| Wuchiapingian | Hungary | K. buekkensis (146210) K. knuepferi (146205) | |
| Wuchiapingian | Iran | K. sp. 1 (155127 155128) K. sp. 1, K. sp. 2 (155129 155130) | |
| Wuchiapingian | China (Sichuan) | K. sp. (148477) K. sp. B (143434) K. sp.5 (189480) K. sp.6 (189484 189486) | |
| Wuchiapingian | Svalbard and Jan Mayen | K. permiana (145691) K. sp. n. (145693) K. sp. n., K. permiana (145692) | |
| Wuchiapingian | United Kingdom (England) | Dithyrocaris permiana, Dithyrocaris glypta (87337) | |
| Wuchiapingian | Lithuania | K. permiana (45952 46158 46159 46198 46411 46414 46421 46422 46427) | |
| Wuchiapingian | Italy | K. sp. (110840) | |
| Changhsingian | China (Sichuan) | K. sp. (148512) | |
| Changhsingian | China (Guizhou) | K. sp. 1 (95649) K. sp. 2 (132518) | |
| Changhsingian | China (Guangxi) | K. sp. 1 (97102 97109) K. sp. A (97100) | |
| Changhsingian | Iran | K. sp. 1 (125568 168923) K. sp. 2 (168919) | |
| Changhsingian | Italy | K. buekkensis (84132) K. sp. 1 (84134 84151) K. sp. 1, K. buekkensis (84133) | |
| Julian | Turkey | K. sp. (197740) |